Annual or Short-lived Perennial: The Matrix series features superior branching to go along with uniform flowering & habit. The extra large 3" flowers are on short, strong stems. Nice winter interest. Compact, vigorous & heavy blooming. Good bedding, border or pot plant. Fragrant. Attracts bees, butterflies & hummingbirds. Blooms: fall-spring. Color: denim blue w/a large blotch. Ht: 6-8 in. Width: 8-10 in. Expos: sun/part shade. Water: moderate. USDA Z4.